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Trapezium
Taxonomy
Trapezium was named by Mühlfeld (1811) [Sepkoski's age data: K Ceno R Sepkoski's reference number: 790]. It is extant.
It was assigned to Trapeziidae by Vokes (1980), Gazdzicki and Pugaczewska (1984) and Lamprell and Whitehead (1992); to Veneroida by Sepkoski (2002); and to Trapezidae by Matsubara et al. (2010) and Bouchet et al. (2010).
It was assigned to Trapeziidae by Vokes (1980), Gazdzicki and Pugaczewska (1984) and Lamprell and Whitehead (1992); to Veneroida by Sepkoski (2002); and to Trapezidae by Matsubara et al. (2010) and Bouchet et al. (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1811 | Trapezium Mühlfeld |
| 1980 | Trapezium Vokes p. 160 |
| 1984 | Trapezium Gazdzicki and Pugaczewska p. 103 |
| 1992 | Trapezium Lamprell and Whitehead p. 120 |
| 2002 | Trapezium Sepkoski |
| 2010 | Trapezium Bouchet et al. |
| 2010 | Trapezium Matsubara et al. p. 133 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. Trapezium Mühlfeld 1811
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Subg. Trapezium (Neotrapezium) Habe 1951
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†Neotrapezium californicum Squires 1999
†Trapezium (Neotrapezium) kobe Matsubara et al. 2010
Subg. †Trapezium (Schedotrapezium) Stewart 1930
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†Trapezium (Schedotrapezium) carinatum Gabb 1864
†Trapezium auberti Abrard 1942
†Trapezium claibornense Dall 1903
†Trapezium daviesi Cox 1930
†Trapezium diversicostulatum Imlay 1940
†Trapezium insepultum White 1887
†Trapezium lycetti Cossmann 1907
†Trapezium sublaevigatum Lamarck 1819
†Trapezium subtriangulum Imlay 1940
Diagnosis
No diagnoses are available